Sheets of Poland, 1957
| Issuer | Date | Desc | State | ||
| - |  |
Poland | 2/26/1957 | UN 1957, sheet of 1 type | |
| - |  |
Poland | 3/28/1957 | Polish Philatelic Exhibition 1957, sheet of 1 type | all added |
| - |  |
Poland | 3/28/1957 | Polish Philatelic Exhibition 1957, sheet of 1 type | incomplete |